263977 2023-10-31 09:46:08 -0700 REGRESSION (269939@main): [ macOS iOS17 Debug ]ASSERTION FAILED: m_compositingResultsNeedUpdating in imported/w3c/web-platform-tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html result of constant crash 2023-11-07 05:16:33 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 263885 1 darbinyan kkinnunen kkinnunen simon.fraser webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1988867 0 darbinyan 2023-10-31 09:46:08 -0700 Description: imported/w3c/web-platform-tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html is constantly crashing on macOS and iOS17 Debug on ToT after 269939@main change in GraphicsContextGL::m_layerComposited. History: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Foffscreen%2Fmanual%2Fthe-offscreen-canvas%2Foffscreencanvas.resize.html&style=debug Crash Log: ASSERTION FAILED: m_compositingResultsNeedUpdating /Volumes/Data/worker/Apple-Sonoma-Debug-Build/build/Source/WebCore/html/canvas/WebGLRenderingContextBase.cpp(5974) : virtual void WebCore::WebGLRenderingContextBase::prepareForDisplay() 1 0x4f3218d59 WTFCrash 2 0x57dbb03ab WTFCrashWithInfo(int, char const*, char const*, int) 3 0x581ddfa6e WebCore::WebGLRenderingContextBase::prepareForDisplay() 4 0x581ddf892 WebCore::WebGLRenderingContextBase::paintRenderingResultsToCanvas() 5 0x581ceae60 WebCore::OffscreenCanvas::commitToPlaceholderCanvas() 6 0x581cf8fb4 WebCore::OffscreenCanvas::scheduleCommitToPlaceholderCanvas()::$_2::operator()(WebCore::ScriptExecutionContext&) const 7 0x581cf8f01 WTF::Detail::CallableWrapper<WebCore::OffscreenCanvas::scheduleCommitToPlaceholderCanvas()::$_2, void, WebCore::ScriptExecutionContext&>::call(WebCore::ScriptExecutionContext&) 8 0x5802ae82a WTF::Function<void (WebCore::ScriptExecutionContext&)>::operator()(WebCore::ScriptExecutionContext&) const 9 0x580acbfbd WebCore::ScriptExecutionContext::Task::performTask(WebCore::ScriptExecutionContext&) 10 0x5816fdeb9 WebCore::Document::postTask(WebCore::ScriptExecutionContext::Task&&)::$_29::operator()() 11 0x5816fdc99 WTF::Detail::CallableWrapper<WebCore::Document::postTask(WebCore::ScriptExecutionContext::Task&&)::$_29, void>::call() 12 0x4f32457a2 WTF::Function<void ()>::operator()() const 13 0x4f32e000e WTF::RunLoop::performWork() 14 0x4f32e402e WTF::RunLoop::performWork(void*) 15 0x7ff804040337 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 16 0x7ff8040402d9 __CFRunLoopDoSource0 17 0x7ff8040400a4 __CFRunLoopDoSources0 18 0x7ff80403ed21 __CFRunLoopRun 19 0x7ff80403e372 CFRunLoopRunSpecific 20 0x7ff804fd5bd1 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 21 0x7ff805057a8b -[NSRunLoop(NSRunLoop) run] 22 0x7ff803c8d203 _xpc_objc_main 23 0x7ff803c99677 _xpc_main 24 0x7ff803c8ce26 _xpc_copy_xpcservice_dictionary 25 0x51ecd944d WebKit::XPCServiceMain(int, char const**) 26 0x520ce630b WKXPCServiceMain 27 0x103d6bf32 main 28 0x7ff803bdc3a6 start com.apple.WebKit.WebContent.Development terminated (pid 671) for reason: crash LEAK: 1 WebPageProxy Link: https://build.webkit.org/results/Apple-Sonoma-Debug-WK2-Tests/269962@main%20(233)/imported/w3c/web-platform-tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize-crash-log.txt 1988868 1 webkit-bug-importer 2023-10-31 09:46:56 -0700 <rdar://problem/117746791> 1988887 2 ews-feeder 2023-10-31 10:19:13 -0700 Test gardening commit 270010@main (ecd933344c12): <https://commits.webkit.org/270010@main> Reviewed commits have been landed. Closing PR #19780 and removing active labels. 1989198 3 kkinnunen 2023-11-01 11:19:23 -0700 Pull request: https://github.com/WebKit/WebKit/pull/19845 1989361 4 ews-feeder 2023-11-01 23:56:29 -0700 Test gardening commit 270102@main (d4bd8fde0752): <https://commits.webkit.org/270102@main> Reviewed commits have been landed. Closing PR #19845 and removing active labels.